135550339 has 4 divisors (see below), whose sum is σ = 141443856. Its totient is φ = 129656824.

The previous prime is 135550301. The next prime is 135550343. The reversal of 135550339 is 933055531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 135550339 - 2¹⁹ = 135026051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135550439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2946724 + ... + 2946769.

It is an arithmetic number, because the mean of its divisors is an integer number (35360964).

Almost surely, 2^135550339 is an apocalyptic number.

135550339 is a deficient number, since it is larger than the sum of its proper divisors (5893517).

135550339 is an equidigital number, since it uses as much as digits as its factorization.

135550339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5893516.

The product of its (nonzero) digits is 30375, while the sum is 34.

The square root of 135550339 is about 11642.6087712334. The cubic root of 135550339 is about 513.6889251598.

The spelling of 135550339 in words is "one hundred thirty-five million, five hundred fifty thousand, three hundred thirty-nine".